Profile: U. S. Energy Group specializes in offering energy control, monitoring & analysis systems combined with total building management programs and services. Our USE manager™ is an internet-based building management service. The system is designed to integrate security, building-wide communication services, and the full range of back-office management & administration programs. USE Mobile is a web-based application designed for the iPhone that allows building managers and owners with a USE controller EMS to access heating system information in real-time for their buildings.